| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 20 |
5.7%
|
| 1 | 1 |
0.3%
|
|
| 7 | 2 |
0.6%
|
|
| 10 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 1 |
0.3%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 3 |
0.9%
|
|
| 33 | 2 |
0.6%
|
|
| 40 | 4 |
1.1%
|
|
| 45 | 1 |
0.3%
|
|
| 50 | 10 |
2.8%
|
|
| 51 | 2 |
0.6%
|
|
| 52 | 1 |
0.3%
|
|
| 60 | 2 |
0.6%
|
|
| 65 | 2 |
0.6%
|
|
| 67 | 1 |
0.3%
|
|
| 70 | 1 |
0.3%
|
|
| 75 | 4 |
1.1%
|
|
| 78 | 1 |
0.3%
|
|
| 80 | 4 |
1.1%
|
|
| 84 | 1 |
0.3%
|
|
| 85 | 2 |
0.6%
|
|
| 89 | 1 |
0.3%
|
|
| 90 | 1 |
0.3%
|
|
| 92 | 1 |
0.3%
|
|
| 93 | 1 |
0.3%
|
|
| 95 | 2 |
0.6%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 277 |
78.7%
|